<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        span{
            background-color: pink;
            width: 50px;
            height: 50px;
            padding: 0 20px;
            margin: 0 20px;
        }
    </style>
</head>

<body>
    <span>span1</span>
    <span>span2</span>
    <s>s</s>
    <div>
        <i>ZZC</i>
        <a href="#">biadu.com</a>
    </div>
</body>

</html>